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| Patents for Francis N. Whitcomb | |||||
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| Number | Date | Patentee | Title | Type | |
| 160,982 | Mar. 16, 1875 | F.N. Whitcomb | Improvement in head-blocks for saw-mills | sawmill headblocks | |
| 160,983 | Mar. 16, 1875 | F.N. Whitcomb | Improvement in head-blocks for saw-mills | sawmill headblocks | |
| 166,170 | Jul. 27, 1875 | F.N. Whitcomb, D. Rawson | Improvement in circular-saw mills | circular sawmills | |